toro model 20333 manual

The Toro Model 20333 is a high-performance walk-behind lawn mower featuring a 21-inch cutting deck, Briggs & Stratton engine, 3-in-1 cutting system (mulch, bag, side discharge), adjustable cutting height, easy-start technology, and durable steel construction. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 21-inch steel cutting deck, Briggs & Stratton engine, 3-in-1 cutting system, height adjustment lever, rear bagger, mulching plug, side discharge chute.

Feature	Description
Cutting Deck	21-inch steel deck for durable cutting performance
Engine	Briggs & Stratton 140cc engine with easy-start technology
3-in-1 Cutting System	Mulch, bag, or side discharge capability
Height Adjustment	Single-lever adjustment for 6 cutting positions (1.5-4 inches)
Drive System	Self-propelled rear-wheel drive with variable speed control
Fuel Tank	0.5-gallon capacity for extended operation
Starter	Recoil starter with primer bulb
Handle	Adjustable folding handle with soft grips
Wheels	8-inch rear wheels, 7-inch front wheels
Safety Features	Blade control system, operator presence control

Assembly Instructions

Unpack and inspect all parts. Assembly requires basic tools (included).

1. Attach handle: Secure upper and lower handle sections with provided bolts.
2. Install wheels: Insert axles through deck brackets and secure with washers and nuts.
3. Attach grass bag: Connect bagger frame to rear deck hooks.
4. Install mulching plug: Insert plug into rear discharge opening when mulching.
5. Connect side discharge chute: Attach to right side of deck when needed.
6. Add engine oil: Fill with SAE 30 detergent oil (check dipstick).
7. Add gasoline: Use fresh unleaded gasoline (87 octane minimum).

WARNING! Wear gloves during assembly. Ensure all bolts are tightened securely.

First-Time Operation

Complete assembly and pre-operation checks before starting.

1. Check oil level: Ensure oil is at full mark on dipstick.
2. Add fuel: Fill tank with fresh unleaded gasoline.
3. Select cutting mode: Install mulching plug, bag, or side discharge chute.
4. Adjust cutting height: Set lever to desired position (start at 3 inches).
5. Start engine: Pull starter cord firmly after priming.
6. Engage blade: Hold safety handle and pull blade control lever.
7. Begin mowing: Walk at steady pace, overlapping passes slightly.

CAUTION! Clear mowing area of debris. Never operate without proper safety controls engaged.

Specifications

• Model: Toro 20333
• Cutting Width: 21 inches
• Engine: Briggs & Stratton 140cc, 4-cycle
• Cutting Heights: 6 positions, 1.5 to 4 inches
• Drive System: Self-propelled rear-wheel drive
• Speed Control: Variable speed up to 3 mph
• Fuel Capacity: 0.5 gallons
• Oil Capacity: 20 oz (SAE 30)
• Cutting Options: Mulch, bag, side discharge
• Warranty: 2-year limited warranty

Controls and Settings

Main controls located on handle and engine.

Handle Controls: Blade control lever, drive control lever, height adjustment lever, speed control dial.

Engine Controls: Throttle control, choke lever, primer bulb, fuel valve, recoil starter.

Cutting Height Adjustment: Single lever adjusts all four wheels simultaneously. Speed Control: Dial adjusts self-propelled speed from 1-3 mph. Drive Control: Lever engages self-propelled system when pressed. Blade Control: Must be held against handle to keep blade spinning.

Cutting System Setup

Configure for mulching, bagging, or side discharge.

1. Mulching: Install mulching plug in rear discharge opening.
2. Bagging: Attach grass bag to rear hooks; ensure bag is empty.
3. Side Discharge: Install discharge chute on right side of deck.
4. Height Setting: Adjust based on grass type and condition.

Tip: For best mulching results, mow when grass is dry and not too tall.

Operation Guide

Proper operation ensures optimal performance and safety.

1. Starting: Set throttle to FAST, prime 3 times, pull starter cord.
2. Engaging Blade: Hold safety handle, pull blade control lever.
3. Self-Propelled Operation: Press drive control lever to engage wheels.
4. Speed Adjustment: Turn dial while drive is engaged.
5. Turning: Release drive control when making turns.
6. Stopping: Release blade control, move throttle to STOP.
7. Emptying Bag: Stop engine, detach bag, empty clippings.
8. Slope Operation: Mow across slopes, not up and down.

WARNING! Always wear eye protection and sturdy footwear. Keep hands and feet away from cutting deck.

Safety Features

Operator Presence Control: Blade stops within 3 seconds when control is released. Blade Control System: Requires constant pressure to keep blade engaged. Safety Handle: Must be held against handle for operation. Engine Cut-off Switch: Stops engine when control is released.

Maintenance & Storage

Regular maintenance ensures longevity and performance.

After Each Use: Clean underside of deck, check for damage.

Monthly: Check blade sharpness and balance, tighten bolts.

Seasonal: Change oil, replace air filter, check spark plug.

Storage: Drain fuel or add stabilizer, clean thoroughly, store in dry place.

CAUTION! Disconnect spark plug wire before performing any maintenance. Never store with fuel in tank for extended periods.

Warranty Information

Toro Limited Warranty: 2-year warranty on entire mower, 5-year warranty on cutting deck. Warranty covers defects in materials and workmanship. Not covered: Normal wear, improper maintenance, commercial use. For warranty service, contact authorized Toro service dealer with proof of purchase. For support, visit www.toro.com or contact 1-888-384-9939.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel, spark, air	Check fuel level, prime properly, check spark plug, clean air filter.
Poor cutting performance	Dull blade, speed	Sharpen or replace blade, reduce mowing speed, clean deck.
Self-propelled not working	Drive belt, control	Check drive belt tension, ensure drive control is engaged properly.
Vibration or noise	Loose parts, blade	Tighten all bolts, check blade balance, remove debris from deck.
Grass clumping	Wet grass, bag full	Mow when grass is dry, empty bag more frequently, raise cutting height.
Uneven cut	Wheels uneven, blade	Adjust cutting height evenly on all wheels, check blade level.

Service: For repairs beyond basic maintenance, contact authorized Toro dealer.

Support: 1-888-384-9939; www.toro.com